. >> i'm mitt romney, and i approve this message >>> toll pohl ticks can be funny. i'll be back with more news an hour from now. "sanjay gupta, m.d.," begins right now. >>> all right, thanks for being with us. today amazing progress on the war on cancer. there are real cures being developed but they come with staggering cost. >>> also i hope you have a strong stomach for this. you're not going to believe what we found in the filthy restaurant play areas. >>> the fcc has asked the cell phones to update their safety. first medical care. this week we're going to see the first first debate between mitt romney and president obama. health care is a key issue, one of the biggest, in fact, and it's back in the spotlight this week after romney said people without insurance can always just go to an emergency room. now, with barely a month to go before the election, i wanted to zero in on what's at stake here. since president obama's health care law was enacted, 3.1 million people under the age of 26 are now covered by their parents' plans, and preventive care is covered 100%